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Official data from INPI

PROCESSO DE TINGIMENTO DE COURO COM CORANTES REATIVOS EM MEIO ALCALINO

PublicadaInvention Patent

Application data

Number

PI8901366

Type

Invention Patent

Filing

03/16/1989

Publication

10/10/1989

Progress at the INPI

Under appeal
  1. Filing03/16/89
  2. Publication10/10/89
  3. Examination10/16/90
  4. Refused01/07/97
  5. Grant
  6. In force

The application was refused by the INPI on 01/07/1997. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Asstec Assistência Técnica em Couros e Exportação Ltda.

RS, BR

Inventors

A. M. (pessoa física)

D. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

10/10/1989

RPI 990

14.7

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Indeferimento

#9.2

01/07/1997

RPI 1362

Conhecimento de parecer técnico

#7.1

05/09/1995

RPI 1275

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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